Shelf drilling jig



FIG. 1 is a perspective view of the shelf drilling jig.

FIG. 2 is a top view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a side view thereof; and,

FIG. 5 is the other side view rotated 90° from FIG. 4 thereof.

The broken lines illustrate portions of the shelf drilling jig that form no part of the claimed design. 

CLAIM The ornamental design for a shelf drilling jig, as shown and described. 